Photograph Size: 9x12 | Ready to frame in any standard size frame | Frame Not Included | Archival Quality Reproduction |

Photograph Description: Re-enactment of Otto von Guericke's experiment proving atmospheric pressure; 2 teams of horses trying to pull apart a presurrized sphere Notes: Photoprint by Arthur Shay for Life. Caption card tracings: Science; Photog. I; Pneumatics; BI; Shelf.